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Perupok
Lophopetalum javanicum (Zoll.) Turcz.
Celastraceae
Phuamphrao (Thailand); Sampol (Philippines); Abuab (Philippines); Perupok dual (Malaysia); Kachang rimba (Malaysia); Tatokwa (Indonesia); Mandalaksa (Indonesia); Madang-gambici (Indonesia); Song trang (Vietnam); Banati (India); Perupok (Indonesia); Perupok (Malaysia); Yemane-ni (Myanmar); Song salung (Thailand)
Lophopetalum toxicum Loher; Lophopetalum oblongifolium King; Lophopetalum fuscescens Kurz
It is a medium-sized to large tree up to 45 m tall. The bole is up to 100 cm in diameter. The buttresses are absent or small.
Lophopetalum javanicum is common in the lowland rain forests, growing often in periodically inundated areas or peat swamp forests, up to 1,400 m of altitude.
It is distributed from Thailand to New Guinea.
Wood diffuse porous. Occasionally vessels in diagonal and/or radial pattern. Vessels exclusively solitary (over 90%). Occasionally tangential diameter of vessel lumina 100 micras or less. Tyloses common. Vestured pits. Vessels per mm2 5 to 20. Vessel-ray pits re Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. 3 to 4 cells per parenchyma strand. Occasionally 5 to 8 4 to 10 rays per mm (medium). Occasionally rays more than 10 per mm (abundant). Rays exclusively uniseriate. Silica bodies in the ray cells. Occasionally body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Occa Fibers with distinctly bordered pits.
Unrestricted
The sapwood is not clearly differentiated. The heartwood is light straw-yellow or pink when fresh, light yellow-brown when dry.
5
It is occasionally straight, mostly wavy.
The texture is from fine to medium.
The planned surface is moderately lustrous.
It is non durable and rapidly attacked by insects if unprotected.
5
Silica Content: It is reported to contain 0.1% silica. Silica Value: 0.1
The heartwood is rather difficult to treat with preservatives, but the sapwood is readily treatable.
0.58
0.64
5.2
4.1
Ease of Drying: Air drying is reported to be fairly rapid, 13 mm thick boards take about 2 months and 38 mm thick boards about 3 months. Drying Defects: There is a slight risk of bowing. Major degrade during seasoning can be caused by moderately severe insect attack and stain.
1.3
795
126356
438
Sawing of this species is reported to be rather easy.
This species is reported to be interesting for lamination.
This species is reported to be interesting for lamination.
Machining of this species is reported to be easy.
This species is easy to plane.
It is easy to bore.
Pre-boring is indispensable to avoid splitting.
It has a good behavior in gluing.
It gives a smooth finishing.
HOUSING GENERAL, panelling, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TOOLS, PACKING
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